LT1121IST-5#PBF Voltage Regulator

The LT1121IST-5#PBF is a high-performance, low dropout voltage regulator from Linear Technology, designed to deliver a continuous output of 5V. This regulator is highly suitable for battery-powered applications due to its low quiescent current and dropout voltage. The device is housed in an industry-standard SOT-223 package, which makes it easy to integrate into a wide range of electronic circuits.

Key Features

• Output Voltage: Fixed 5V output with tight regulation to maintain stable operation across various conditions.
• Low Dropout Voltage: The LT1121IST-5#PBF boasts a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: With its low idle current, it is an ideal choice for battery-powered devices, extending battery life without sacrificing performance.
• Output Current: Capable of delivering up to 150mA of continuous output current, making it suitable for a broad range of applications.
• Thermal Protection: Built-in thermal shutdown protection safeguards the device from overheating, enhancing its reliability and longevity.
• Overcurrent Protection: The regulator includes overcurrent protection to prevent damage from excessive loads or short-circuit conditions.

Applications

The LT1121IST-5#PBF is versatile and can be used in various applications, including:

• Portable electronics
• Battery-powered equipment
• Microprocessor supply
• Power management for consumer electronics
• Automotive electronics

Quality and Reliability

Linear Technology ensures that its products, including the LT1121IST-5#PBF, meet the highest standards of quality and reliability. This voltage regulator is RoHS compliant and is manufactured with a lead-free finish, reflecting the company's commitment to environmental sustainability.